This is a vintage Seiko Sportsmatic 5 automatic wristwatch, reference 6619-8030, manufactured in 1965. The Sportsmatic 5 occupies a crucial position in Seiko’s history, representing the direct predecessor to the globally successful Seiko 5 series. During the mid-1960s, Seiko was refining the concept of a robust, reliable, and affordable automatic wristwatch for everyday use. The Sportsmatic 5 embodied this philosophy and laid the foundation for Seiko’s worldwide expansion in the automatic watch market. This model is powered by the Seiko Caliber 6619, a 21-jewel automatic movement, known for its durability and practicality. Calendar functions: Date quickset is operated by pushing the crown Day adjustment is performed by rotating the hands The day display is English only The case back features the Dolphin emblem, indicating Seiko’s early waterproof case design of the 1960s. The serial number confirms production in June 1965. A new leather strap is fitted. Condition: Cleaned Shows age-related wear consistent with a vintage watch Please refer carefully to the photos for details Disclaimer: As a vintage watch, it was running at the time of listing; however, stable continuous operation, time accuracy, and water resistance are not guaranteed. The watch will be carefully packed and shipped with tracking for safe delivery.